Home / 517,196,846.75-713,731,460.81-282,247,507.22

Finding the Fourth Proportional to 517,196,846.75, 713,731,460.81 and 282,247,507.22

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Solution

The fourth proportional to 517,196,846.75, 713,731,460.81 and 282,247,507.22 is: 389,501,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,196,846.75 : 713,731,460.81 = 282,247,507.22 : x
  2. Step 2: Convert to fraction form
    517,196,846.75/713,731,460.81 = 282,247,507.22/x
  3. Step 3: Cross multiply
    517,196,846.75x = 713,731,460.81 × 282,247,507.22
  4. Step 4: Simplify right side
    517,196,846.75x = 201,448,925,633,131,680
  5. Step 5: Solve for x
    x = 201,448,925,633,131,680/517,196,846.75
  6. Step 6: Final answer
    x = 389,501,457.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.